package database;

 import javax.jdo.JDOHelper;  
 import javax.jdo.PersistenceManagerFactory;  
   
 public final class connection {  
     private static final PersistenceManagerFactory pmfInstance =  
         JDOHelper.getPersistenceManagerFactory("transactions-optional");  
   
     private connection() {}  
   
     public static PersistenceManagerFactory get() {  
         return pmfInstance;  
     }  
 }    
